[PATCH 4/6] convert kuid_t to/from uid_t for xfs internal structures

Dwight Engen
2013-06-28T15:11:29Z

Use uint32 from init_user_ns for xfs internal uid/gid
representation in xfs_icdinode, xfs_dqid_t.

Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
---
fs/xfs/xfs_inode.c | 6 +++---
fs/xfs/xfs_iops.c | 38 ++++++++++++++++++++------------------
fs/xfs/xfs_qm.c | 10 +++++-----
fs/xfs/xfs_quota.h | 9 +++++----
fs/xfs/xfs_symlink.c | 4 +++-
fs/xfs/xfs_vnodeops.c | 4 +++-
6 files changed, 39 insertions(+), 32 deletions(-)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 9ecfe1e..e9acd2d 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1288,8 +1288,8 @@ xfs_ialloc(
ip->i_d.di_onlink = 0;
ip->i_d.di_nlink = nlink;
ASSERT(ip->i_d.di_nlink == nlink);
- ip->i_d.di_uid = current_fsuid();
- ip->i_d.di_gid = current_fsgid();
+ ip->i_d.di_uid = xfs_kuid_to_uid(current_fsuid());
+ ip->i_d.di_gid = xfs_kgid_to_gid(current_fsgid());
xfs_set_projid(ip, prid);
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));

@@ -1328,7 +1328,7 @@ xfs_ialloc(
*/
if ((irix_sgid_inherit) &&
(ip->i_d.di_mode & S_ISGID) &&
- (!in_group_p((gid_t)ip->i_d.di_gid))) {
+ (!in_group_p(xfs_gid_to_kgid(ip->i_d.di_gid)))) {
ip->i_d.di_mode &= ~S_ISGID;
}

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index c69bbc4..6f6fb17 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -420,8 +420,8 @@ xfs_vn_getattr(
stat->dev = inode->i_sb->s_dev;
stat->mode = ip->i_d.di_mode;
stat->nlink = ip->i_d.di_nlink;
- stat->uid = ip->i_d.di_uid;
- stat->gid = ip->i_d.di_gid;
+ stat->uid = inode->i_uid;
+ stat->gid = inode->i_gid;
stat->ino = ip->i_ino;
stat->atime = inode->i_atime;
stat->mtime = inode->i_mtime;
@@ -488,8 +488,8 @@ xfs_setattr_nonsize(
int mask = iattr->ia_valid;
xfs_trans_t *tp;
int error;
- uid_t uid = 0, iuid = 0;
- gid_t gid = 0, igid = 0;
+ kuid_t uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID;
+ kgid_t gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID;
struct xfs_dquot *udqp = NULL, *gdqp = NULL;
struct xfs_dquot *olddquot1 = NULL, *olddquot2 = NULL;

@@ -522,13 +522,13 @@ xfs_setattr_nonsize(
uid = iattr->ia_uid;
qflags |= XFS_QMOPT_UQUOTA;
} else {
- uid = ip->i_d.di_uid;
+ uid = inode->i_uid;
}
if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp)) {
gid = iattr->ia_gid;
qflags |= XFS_QMOPT_GQUOTA;
} else {
- gid = ip->i_d.di_gid;
+ gid = inode->i_gid;
}

/*
@@ -538,8 +538,10 @@ xfs_setattr_nonsize(
*/
ASSERT(udqp == NULL);
ASSERT(gdqp == NULL);
- error = xfs_qm_vop_dqalloc(ip, uid, gid, xfs_get_projid(ip),
- qflags, &udqp, &gdqp);
+ error = xfs_qm_vop_dqalloc(ip, xfs_kuid_to_uid(uid),
+ xfs_kgid_to_gid(gid),
+ xfs_get_projid(ip),
+ qflags, &udqp, &gdqp);
if (error)
return error;
}
@@ -561,8 +563,8 @@ xfs_setattr_nonsize(
* while we didn't have the inode locked, inode's dquot(s)
* would have changed also.
*/
- iuid = ip->i_d.di_uid;
- igid = ip->i_d.di_gid;
+ iuid = inode->i_uid;
+ igid = inode->i_gid;
gid = (mask & ATTR_GID) ? iattr->ia_gid : igid;
uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid;

@@ -571,8 +573,8 @@ xfs_setattr_nonsize(
* going to change.
*/
if (XFS_IS_QUOTA_RUNNING(mp) &&
- ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) ||
- (XFS_IS_GQUOTA_ON(mp) && igid != gid))) {
+ ((XFS_IS_UQUOTA_ON(mp) && !uid_eq(iuid, uid)) ||
+ (XFS_IS_GQUOTA_ON(mp) && !gid_eq(igid, gid)))) {
ASSERT(tp);
error = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp,
capable(CAP_FOWNER) ?
@@ -602,17 +604,17 @@ xfs_setattr_nonsize(
* Change the ownerships and register quota modifications
* in the transaction.
*/
- if (iuid != uid) {
+ if (!uid_eq(iuid, uid)) {
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_UQUOTA_ON(mp)) {
ASSERT(mask & ATTR_UID);
ASSERT(udqp);
olddquot1 = xfs_qm_vop_chown(tp, ip,
&ip->i_udquot, udqp);
}
- ip->i_d.di_uid = uid;
+ ip->i_d.di_uid = xfs_kuid_to_uid(uid);
inode->i_uid = uid;
}
- if (igid != gid) {
+ if (!gid_eq(igid, gid)) {
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) {
ASSERT(!XFS_IS_PQUOTA_ON(mp));
ASSERT(mask & ATTR_GID);
@@ -620,7 +622,7 @@ xfs_setattr_nonsize(
olddquot2 = xfs_qm_vop_chown(tp, ip,
&ip->i_gdquot, gdqp);
}
- ip->i_d.di_gid = gid;
+ ip->i_d.di_gid = xfs_kgid_to_gid(gid);
inode->i_gid = gid;
}
}
@@ -1173,8 +1175,8 @@ xfs_setup_inode(

inode->i_mode = ip->i_d.di_mode;
set_nlink(inode, ip->i_d.di_nlink);
- inode->i_uid = ip->i_d.di_uid;
- inode->i_gid = ip->i_d.di_gid;
+ inode->i_uid = xfs_uid_to_kuid(ip->i_d.di_uid);
+ inode->i_gid = xfs_gid_to_kgid(ip->i_d.di_gid);

switch (inode->i_mode & S_IFMT) {
case S_IFBLK:
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index b75c9bb..57e2c18 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -1651,8 +1651,8 @@ xfs_qm_write_sb_changes(
int
xfs_qm_vop_dqalloc(
struct xfs_inode *ip,
- uid_t uid,
- gid_t gid,
+ xfs_dqid_t uid,
+ xfs_dqid_t gid,
prid_t prid,
uint flags,
struct xfs_dquot **O_udqpp,
@@ -1697,7 +1697,7 @@ xfs_qm_vop_dqalloc(
* holding ilock.
*/
xfs_iunlock(ip, lockflags);
- if ((error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t) uid,
+ if ((error = xfs_qm_dqget(mp, NULL, uid,
XFS_DQ_USER,
XFS_QMOPT_DQALLOC |
XFS_QMOPT_DOWARN,
@@ -1723,7 +1723,7 @@ xfs_qm_vop_dqalloc(
if ((flags & XFS_QMOPT_GQUOTA) && XFS_IS_GQUOTA_ON(mp)) {
if (ip->i_d.di_gid != gid) {
xfs_iunlock(ip, lockflags);
- if ((error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t)gid,
+ if ((error = xfs_qm_dqget(mp, NULL, gid,
XFS_DQ_GROUP,
XFS_QMOPT_DQALLOC |
XFS_QMOPT_DOWARN,
@@ -1842,7 +1842,7 @@ xfs_qm_vop_chown_reserve(
XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS;

if (XFS_IS_UQUOTA_ON(mp) && udqp &&
- ip->i_d.di_uid != (uid_t)be32_to_cpu(udqp->q_core.d_id)) {
+ ip->i_d.di_uid != be32_to_cpu(udqp->q_core.d_id)) {
delblksudq = udqp;
/*
* If there are delayed allocation blocks, then we have to
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index c38068f..5f0bfe8 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -320,8 +320,8 @@ extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *,
struct xfs_mount *, struct xfs_dquot *,
struct xfs_dquot *, long, long, uint);

-extern int xfs_qm_vop_dqalloc(struct xfs_inode *, uid_t, gid_t, prid_t, uint,
- struct xfs_dquot **, struct xfs_dquot **);
+extern int xfs_qm_vop_dqalloc(struct xfs_inode *, xfs_dqid_t, xfs_dqid_t,
+ prid_t, uint, struct xfs_dquot **, struct xfs_dquot **);
extern void xfs_qm_vop_create_dqattach(struct xfs_trans *, struct xfs_inode *,
struct xfs_dquot *, struct xfs_dquot *);
extern int xfs_qm_vop_rename_dqattach(struct xfs_inode **);
@@ -341,8 +341,9 @@ extern void xfs_qm_unmount_quotas(struct xfs_mount *);

#else
static inline int
-xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid,
- uint flags, struct xfs_dquot **udqp, struct xfs_dquot **gdqp)
+xfs_qm_vop_dqalloc(struct xfs_inode *ip, xfs_dqid_t uid, xfs_dqid_t gid,
+ prid_t prid, uint flags, struct xfs_dquot **udqp,
+ struct xfs_dquot **gdqp)
{
*udqp = NULL;
*gdqp = NULL;
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 738c04b..75bb3ea 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -384,7 +384,9 @@ xfs_symlink(
/*
* Make sure that we have allocated dquot(s) on disk.
*/
- error = xfs_qm_vop_dqalloc(dp, current_fsuid(), current_fsgid(), prid,
+ error = xfs_qm_vop_dqalloc(dp,
+ xfs_kuid_to_uid(current_fsuid()),
+ xfs_kgid_to_gid(current_fsgid()), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 42c0ef2..0262e1d 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -506,7 +506,9 @@ xfs_create(
/*
* Make sure that we have allocated dquot(s) on disk.
*/
- error = xfs_qm_vop_dqalloc(dp, current_fsuid(), current_fsgid(), prid,
+ error = xfs_qm_vop_dqalloc(dp,
+ xfs_kuid_to_uid(current_fsuid()),
+ xfs_kgid_to_gid(current_fsgid()), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
return error;
--
1.8.1.4